ZIMSEC · A Level
Building Technology and Design
6 topics6 with notes
0%
Study this subject topic by topic
Progress is saved on this device. Join free to keep it everywhere.
Form 5 · Lower 6 4 topics
- Site investigation, surveying and setting out Desk study (maps, records), site reconnaissance, trial pits and boreholes to establish soil type, bearing capacity, water table, services and access.
- Soils and foundation design Rock, gravel, sand, silt, clay and peat; properties: bearing capacity, permeability, shrinkage and swelling (expansive "black cotton" clay soils cause cracking), compressibility and drainage.
- Structural elements: walls, lintels, beams and frames Load-bearing and non-load-bearing; solid and cavity walls; bonding; wall ties; damp-proof courses; slenderness (height to thickness ratio); openings and lintels; movement joints.
- Floors, roofs and stairs Ground-bearing slabs (hardcore, blinding, damp-proof membrane, slab, screed), suspended timber floors, reinforced concrete suspended slabs, and precast beam-and-block floors. Floor finishes: tiles, screeds, timber.
Form 6 · Upper 6 2 topicsExam year
- Building services and sanitation Mains and borehole supplies; storage tanks (elevated for pressure); pipe materials (PVC, HDPE, copper, galvanised steel); stopcocks and valves; hot water from geysers and solar water heaters.
- Construction management, estimating and regulations Client, architect, quantity surveyor, structural engineer, contractor, sub-contractors, clerk of works and the local authority building inspector.